US Patent Issued to WELTER'S on Dec. 16 for "Exhaust gas emission circulation filtering apparatus for air pollution prevention" (Taiwanese Inventor)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,545, issued on Dec. 16, was assigned to WELTER'S Co. LTD. (Dou Liu, Taiwan).

"Exhaust gas emission circulation filtering apparatus for air pollution prevention" was invented by Walter W. Hsu (Dou Liu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filtering apparatus includes an exhaust pipe, multiple air exhaust devices, a conveyor, a filtering net, a tank washing device, and a cleaning device. The exhaust pipe includes multiple air outlets. The air exhaust devices align with the air outlets respectively. The conveyor includes a first delivery circuit extending through the air outlets and a second delivery circuit connecting the first deli...